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Where am ILOCATED

Knox County, Maine

Knox County, Maine, has 41,117 residents (July 2025 estimate). Its county seat is Rockland. It uses Eastern Time and covers 365 sq mi (945 km²) of land.

PortlandLewistonBangor
Knox County in Maine
Lincoln CountyRocklandCamdenThomaston
Knox County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
41,117
Land area
365 sq mi (945 km²)
County seat or government
Rockland
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$74,096 ± $3,739
Median home value
$324,900 ± $14,707
Median rent, with utilities
$1,165 ± $70
Homes lived in by their owners
78.7% ± 1.2 points
County type
County
Metro or micro area
Outside any metro or micro area
Water area
767 sq mi (1,987 km²)
State
Maine
County code (FIPS)
23013
Coordinates (central point)
44.042045, -69.038514
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Knox County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 048417,035 people
  2. 048435,242 people
  3. 048644,932 people
  4. 048624,023 people
  5. 048563,675 people
  6. 048612,769 people
  7. 048471,748 people
  8. 045741,624 people
  9. 048601,543 people
  10. 048541,482 people
  11. 045631,460 people
  12. 048581,378 people
All 19
  1. 048631,216 people
  2. 045471,213 people
  3. 04859753 people
  4. 04853480 people
  5. 04855313 people
  6. 0464569 people
  7. 0485148 people

19 ZIP Code areas overlap Knox County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Knox County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns and plantations in Knox County, largest first

  1. Town of Camden5,242 people
  2. Town of Warren4,932 people
  3. Town of Rockport3,675 people
  4. Town of Thomaston2,769 people
  5. Town of Union2,663 people
  6. Town of St. George2,606 people
  7. Town of Hope1,748 people
  8. Town of Washington1,624 people
  9. Town of Owls Head1,482 people
  10. Town of Cushing1,460 people
  11. Town of South Thomaston1,381 people
  12. Town of Appleton1,360 people
All 17
  1. Town of Vinalhaven1,216 people
  2. Town of Friendship1,213 people
  3. Town of North Haven480 people
  4. Town of Isle au Haut69 people
  5. Matinicus Isle Plantation48 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns and plantations in Maine, by county

School districts in Knox County, largest first

  1. School Administrative District 4015,685 people
  2. Five Town Community School District14,421 people
  3. Regional School Unit 1314,127 people
  4. School Administrative District 288,917 people
  5. St. George Public Schools2,606 people
  6. Hope1,748 people
  7. Appleton1,360 people
  8. School Administrative District 081,216 people
  9. School Administrative District 07480 people
  10. Isle au Haut69 people
  11. School Administrative District 6548 people
  12. Knox Unorganized Territory0 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Rockland, Maine (city)7,035 people
  2. Camden, Maine (CDP)3,682 people
  3. Thomaston, Maine (CDP)2,055 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lincoln County, Maine24 mi west
  2. Waldo County, Maine30 mi north
  3. Hancock County, Maine49 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.